Ending bonus
Successfully complete the game on the hard difficulty setting to unlock Steve as a playable character and the Bermuda Triangle level.

Hidden track
Collect 100 balloons in countdown mode.

Cheat mode
At the main menu, choose the "Options" selection, then hold R and quickly press Up(2), Down(2), Left, Right, Left, Right, X, B, X, B at the options menu. If you entered the code correctly, the "Cheat Name" screen will appear. Enter one of the following case-sensitive codes, then exit back to the options screen to activate the corresponding cheat function:

All courses
Enter "Passport" as a case-sensitive code. Note: This also unlocks Steve and the Bermuda Triangle.

All characters
Enter "AllChar" as a case-sensitive code.

All wetsuits
Enter "LaPinata" as a case-sensitive code.

Cannot get knocked off
Enter "TopBird" as a case-sensitive code. The CPU can no longer knock you off your SeaDoo, but you can still knock them off.

Maximum performance meter
Enter "PMeterGo" as a case-sensitive code. Note: If you miss a buoy you will stall with this code on.